crackxls2003 breaks the encryption on Microsoft Excel and Word 97/2000/XP/2002/2003 files which have been
encrypted using the RC4 method. These files are encrypted using a 40-bit-long key.
It will not work on files encrypted using versions later than 2007 or versions 95 or earlier, or if a non-default encryption method was used.

mtCellEdit is a lightweight spreadsheet program. Its main goal is to provide facilities for simple day-to-day tasks using a minimal graphical user interface. It uses TSV based file formats to ensure that archived data is always accessible to other programs, regardless of operating system, both now and in the future. These "other programs" might be spreadsheet programs, text editors, command line tools, or custom built programs. It is written from scratch and provides all of its core facilities via a library, so any C program can access its API.

OOo4Kids is a simplified version of OpenOffice.org intended for year 7-12 students. Everything is made in collaboration with teachers and students, with the intention of contributing back to Apache OpenOffice.

PDF to Spreadsheet Pro uses advanced OCR (optical character recognition) and document analysis to convert PDF documents into editable spreadsheets. It supports all types of PDFs, including ones that have been scanned from a physical document.

Aspose.Cells for SharePoint is a flexible solution for converting Excel documents into multiple document formats within Microsoft SharePoint applications. It lets you easily convert documents right from the SharePoint document library into popular formats like XLS, XLSX, CSV, HTML, ODS, PDF, XML, and TXT without using MS Excel for document generation. It is designed to be used with Windows SharePoint Services 3.0 (WSS) and MS Office SharePoint Server 2007 (MOSS) standard and enterprise editions.

Aspose.Cells for JasperReports allows you to exports reports from JasperReports and JasperServer in Microsoft Excel spreadsheet (XLS) format. It is provided as a single JAR file that can easily be deployed on machines running JasperReports or JasperServer. It exports Excel charts as editable charts rather than static pictures so that they can be edited manually in MS Excel.

Excel Writer is a package for easily writing Excel files with basic formatting. It allows for the automatic production of reports. It uses totally portable code that builds for every system without any specific piece of code. It does not interact with Excel.